#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int* yptr=0;
	int y=0;
	/*printf("yptr=%d\n", sizeof(* yptr));*/
	printf("yptr=%p\n", &(*yptr));
	printf("%p\n", &y);
	printf("yptr=%p\n", &yptr);
	
}